90117496 has 128 divisors (see below), whose sum is σ = 217128960. Its totient is φ = 34214400.

The previous prime is 90117491. The next prime is 90117497. The reversal of 90117496 is 69471109.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90117491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1477306 + ... + 1477366.

It is an arithmetic number, because the mean of its divisors is an integer number (1696320).

Almost surely, 2^90117496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90117496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108564480).

90117496 is an abundant number, since it is smaller than the sum of its proper divisors (127011464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90117496 is a wasteful number, since it uses less digits than its factorization.

90117496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 90117496 is about 9493.0235436346. The cubic root of 90117496 is about 448.3354073077.

The spelling of 90117496 in words is "ninety million, one hundred seventeen thousand, four hundred ninety-six".